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@@ -1,6 +1,6 @@
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<h2>DESCRIPTION</h2>
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-<b>r.param.scale</b> extracts terrain parameters from a DEM. Uses a
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+<em>r.param.scale</em> extracts terrain parameters from a digital elevation model. Uses a
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multi-scale approach by fitting a bivariate quadratic polynomial to a given
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window size using least squares.
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@@ -19,29 +19,29 @@ scale)</li>
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<i>aspect</i>: Direction of maximum gradient (steepest slope direction=flow direction)</li>
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<li>
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-<i>profc</i> or profile curvature (curvature intersecting with the plane
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+<i>profc</i>: profile curvature (curvature intersecting with the plane
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defined by <i>Z</i> axis and maximum gradient direction). Positive values
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describe convex profile curvature, negative values concave profile
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curvature.</li>
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<li>
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-<i>planc</i> or plan curvature (horizontal curvature, intersecting with
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+<i>planc</i>: plan curvature (horizontal curvature, intersecting with
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the <i>XY</i> plane)</li>
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<li>
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-<i>longc</i> or longitudinal curvature (profile curvature intersecting
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+<i>longc</i>: longitudinal curvature (profile curvature intersecting
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with the plane defined by the surface normal and maximum gradient direction)</li>
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<li>
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-<i>crosc</i> or cross-sectional curvature (tangential curvature intersecting
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+<i>crosc</i>: cross-sectional curvature (tangential curvature intersecting
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with the plane defined by the surface normal and a tangent to the contour
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- perpendicular to maximum gradient direction)</li>
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<li>
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-<i>maxic</i> or maximum curvature (can be in any direction)</li>
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+<i>maxic</i>: maximum curvature (can be in any direction)</li>
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<li>
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-<i>minic</i> or minimum curvature (in direction perpendicular to the direction
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+<i>minic</i>: minimum curvature (in direction perpendicular to the direction
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of of maximum curvature)</li>
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<!--
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@@ -66,12 +66,7 @@ downslope) is stored as (West is 0 degree, East is +/- 180 degree):
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</ul>
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Note that the aspect map is calculated differently from
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-<a href="r.slope.aspect.html">r.slope.aspect</a>.
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-
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-<h2>Still to do</h2>
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-
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-Fix bug when `constrain through central cell' option selected. Create color
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-tables for all output files (presently only on features).
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+<em><a href="r.slope.aspect.html">r.slope.aspect</a></em>.
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<h2>EXAMPLE</h2>
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@@ -87,14 +82,10 @@ r.param.scale in=elevation.10m output=morphology param=feature size=9
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<i>Geomorphological map of a subregion in the Spearfish (SD) area</i>
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</center>
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+<h2>TODO</h2>
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-<h2>SEE ALSO</h2>
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-<!-- not ported to GRASS 6 due to non-GPLness of numerical recipes.
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-<i><a href="d.param.scale.html">d.param.scale</a></i>
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--->
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-<p>Java Code in
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-<a href="http://www.geog.le.ac.uk/jwo/research/LandSerf">LandSerf</a>
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-that implements the same procedure
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+Fix bug when `constrain through central cell' option selected. Create color
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+tables for all output files (presently only on features).
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<h2>REFERENCE</h2>
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@@ -104,7 +95,20 @@ Models. Diss., Department of Geography, University of Leicester, U.K.
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<br>online at:
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<br><a href="http://www.soi.city.ac.uk/~jwo/phd/">http://www.soi.city.ac.uk/~jwo/phd/</a>
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-<h2>AUTHOR</h2>
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+<p>Java Code in
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+<a href="http://www.geog.le.ac.uk/jwo/research/LandSerf">LandSerf</a>
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+that implements the same procedure
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+
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+<h2>SEE ALSO</h2>
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+<!-- not ported to GRASS 6 due to non-GPLness of numerical recipes.
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+<i><a href="d.param.scale.html">d.param.scale</a></i>
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+-->
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+
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+<em>
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+ <a href="r.slope.aspect.html">r.slope.aspect</a>
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+</em>
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+
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+<h2>AUTHORS</h2>
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<address>
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<a href="MAILTO:jwo@le.ac.uk">jwo@le.ac.uk</a>
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@@ -112,4 +116,5 @@ Models. Diss., Department of Geography, University of Leicester, U.K.
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<p>Update to FP 3/2002: L. Potrich, M. Neteler, S. Menegon (ITC-irst)
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-<p><i>Last changed: $Date$</i>
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+<p>
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+<i>Last changed: $Date$</i>
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